The Triplett Model MG420 Analog Insulation Tester tests Insulation Resistance to 400MΩ using three test voltages (250V, 500V, and 1000V), and also measures AC Voltage and Low Resistance. Additional features include a Lock Power function for hands-free operation, backlit multiband analog display with zero adjust, live circuit LED indicator, plus built-in battery check. CAT III 1000V/CAT IV 600V safety category. Includes heavy duty test leads with alligator clip, (6) AA batteries, hanging strap, and hard carrying case. 1-year warranty.
Insulation Resistance to 400MΩ
250V, 500V, and 1000V Test Voltages
Backlit multiband analog display with zero adjust
Lock Power feature for hands-free operation
AC Voltage measurement
Low Resistance measurement
Live circuit LED indicator
Built-in battery check